CHEN, Shuxing; LIU, Ke; DING, Denglong; YUE, Zeyu; BO, Zhu; TANG, Yuee. The Effect of Green R&D Activities on China’s SO2 Emissions: Evidence from a Panel Threshold Model. Problemy Ekorozwoju, [S. l.], v. 16, n. 2, p. 147–151, 2021. DOI: 10.35784/pe.2021.2.15. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/5178. Acesso em: 30 jun. 2024.